Low Ca diet leads to increased Ca retention by changing the gut flora and ileal pH value in laying hens

Jiang, Sha; Zou, X.Y.; Mao, Miao; Mi, Zhang; Tu, Wen‐Jun; Jin, Minghua

doi:10.1016/j.aninu.2023.02.006

Cited by 7 publications

(5 citation statements)

References 82 publications

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“…32 Furthermore, it was reported that calcium supplementation decreased the abundance of Provetella while a low-calcium diet increased the abundance of Prevotella and Subdoligranulum. 33,34 Consistently, in our study, the abundance of Alloprovetella, Ruminococcus, Clostridium sensu stricto_1, and Phascolarctobacterium decreased in the presence of hypercalcemia and hypophosphatemia and after parathyroidectomy their abundance increased. On the other hand, the abundance of Subdoligranulum, which was initially high, decreased.…”

Section: Discussionsupporting

confidence: 87%

Relationship between gut microbiome and bone deficits in primary hyperparathyroidism: A proof-of-concept pilot study

Coskun,

Babayeva,

Barlas

et al. 2024

Journal of Investigative Medicine

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Parathyroid hormone (PTH) interacts with components of the gut microbiota to exert its bone-regulating effects. This study aimed to investigate the gut microbial composition in patients with primary hyperparathyroidism (PHPT). Nine patients with PHPT and nine age-sex and body mass index-matched healthy controls were included. Gut microbial composition was assessed using 16S rRNA gene amplicon sequencing in both groups at baseline and one month after parathyroidectomy in the PHPT group. Data were imported into QIIME-2 and both QIIME-2 and R packages were used for microbiome analysis. Alpha and beta diversity were similar between the groups and remained unchanged after parathyroidectomy. The relative abundance of Subdoligranulum was significantly higher, whereas Ruminococcus, Alloprevotella, Phascolarctobacterium and Clostridium sensu stricto_1 were significantly lower in PHPT than in controls (p<0.001). After parathyroidectomy, the relative abundance of Subdoligranulum decreased, Ruminococcus and Alloprevotella increased (p<0.001). The PHPT group had lower total femoral and lumbar bone mineral density (BMD) than the controls (p<0.05). At baseline, Alloprevotella abundance was positively correlated with serum phosphorus and Subdoligranulum was positively correlated with total lumbar BMD. Clostridium sensu stricto_1 was negatively correlated with serum calcium and positively correlated with femoral neck BMD. Postoperatively, Alloprevotella was positively correlated with baseline serum phosphorus, and Phascolarctobacterium was positively correlated with distal radius BMD. This study demonstrated that the diversity of the gut microbiome was altered, possibly in response to electrolyte changes in PHPT, both before and after parathyroidectomy.

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Section: Discussionsupporting

confidence: 87%

Relationship between gut microbiome and bone deficits in primary hyperparathyroidism: A proof-of-concept pilot study

Coskun,

Babayeva,

Barlas

et al. 2024

Journal of Investigative Medicine

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“…The introduction of enzymes into the chickens' diet resulted in a decrease in bird weight and bone quality. Nevertheless, phytase supplementation restored the productivity of the chickens in the group treated with 600 FTU/kg BSP [71,72].…”

Section: Discussionmentioning

confidence: 95%

“…The macroelements calcium and phosphorus form the basis of skeletal formation, while sodium, chlorine, and potassium are distributed in higher concentrations in soft tissues, controlling acid-base balance [72][73][74].…”

Section: Discussionmentioning

confidence: 99%

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Effects of the Addition of Trichoderma reesei Cellulase to Broiler Chicken Diets for a 21-Day Period

Perim,

da Silva,

de Souza

et al. 2024

Animals

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The cellulose present in the cell wall of vegetables prevents the greater release of nutrients to the animal. Therefore, the use of the cellulase enzyme is a viable strategy as it is capable of breaking cellulose bonds, releasing nutrients such as glucose, increasing dietary energy, and thus improving the productive performance of birds. Trichoderma reesei is efficient in the production of cellulase, which is produced via submerged fermentation followed by purification, formulation, and drying. Therefore, an experiment was carried out using 240 male broilers of the Cobb-500® lineage to verify the effects resulting from the addition of powdered (500 g/t and 1000 g/t) and liquid (500 mL/t) cellulase over a period of 1 to 21 days. A completely randomized experimental design was used, consisting of four treatments with six replications and ten birds per replication that were housed in an experimental cage. It was observed that performance and digestibility results were significantly different with cellulase supplementation. Also, the relative weight of the large intestine in the period between one and seven days increased when cellulase was added at 1000 g/t. In the period of between eight and 14 days of life, the birds that consumed only the basal diet obtained higher levels of liver protein than those that received the treatments with the addition of the enzyme. However, 15 and 21 days, the consumed feed effect did not occur between thus, it is not conclusive whether hepatotoxicity occurs with the addition of cellulase. For the blood parameters, at 21 days, the diets with added cellulase were not significantly different regarding electrolytes. It was concluded that this cellulase produced by Trichoderma reesei can be included in the animals’ diet.

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“…The idea of long-life laying hens that can produce 500 eggs or more in a single production cycle of 100 weeks has become a reality thanks to advances in hen genetics [62]. However, despite the benefits of improving the utilization of scarce resources and reducing waste and the carbon footprint, the extension of the laying cycle may also induce challenges for hen health, particularly with respect to bone metabolism, as large amounts of Ca are mobilized from the skeleton for eggshell formation, which may increase the incidence of bone fractures and osteoporosis during the late laying phase [63,64].…”

Section: Discussionmentioning

confidence: 99%

Effects of Feeding Recycled Food Waste-Based Diets on Gut Health, Nutrient Digestibility, and Bone Quality in Laying Hens

Dao,

Sharma,

Kim

et al. 2024

Applied Sciences

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This study explored feeding recycled food waste-based diets for gut health, nutrient digestibility, bone morphology, and bone mineral level in laying hens. Hy-Line Brown laying hens (n = 150) were randomly allocated to three experimental treatments consisting of a commercial control diet, a recycled food waste-based diet, and a 50:50 blend of the control and food waste-based diets, with 50 replicates of a single bird per cage per treatment from 24 to 63 weeks of age. Egg production was recorded daily and feed intake was measured weekly. The gut pH, jejunal and ileal morphology, nutrient digestibility, bone morphology, and mineral composition were measured at 63 weeks of age. Hens on the food waste-based treatment had similar egg production but lower feed conversion ratio (FCR, 1.948 vs. 2.172 kg feed/kg egg, p < 0.001) and higher ileal pH (p < 0.001) and bone ash content (p < 0.001) compared to birds on the control treatment. Moreover, hens fed the food waste-based diets had higher ileal digestible energy (p < 0.001); ileal energy digestibility (p < 0.01); tibia S, Fe, Mn, and Zn levels (p < 0.05); and Mg, K, S, Mn, and Mo digestibility (p < 0.05) compared to hens fed the control diets. Hens offered the 50:50 blend diets had higher tibia P, Mg, and Mo levels (p < 0.05) and higher Ca digestibility (p < 0.05) compared to those fed the control diets. Thus, feeding recycled food waste-based diets is effective to improve laying performance, nutrient digestibility, and bone mineralization in laying hens.

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Low Ca diet leads to increased Ca retention by changing the gut flora and ileal pH value in laying hens

Cited by 7 publications

References 82 publications

Relationship between gut microbiome and bone deficits in primary hyperparathyroidism: A proof-of-concept pilot study

Relationship between gut microbiome and bone deficits in primary hyperparathyroidism: A proof-of-concept pilot study

Effects of the Addition of Trichoderma reesei Cellulase to Broiler Chicken Diets for a 21-Day Period

Effects of Feeding Recycled Food Waste-Based Diets on Gut Health, Nutrient Digestibility, and Bone Quality in Laying Hens

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